Modal & Post Bop, Richard Williams (artist)

Various artists

Charles Mingus and his Jazz Groups, Rob Schwarz (recorder), Mark Wilder (recorder), Fred Plaut (recorder), Don Ellis (trumpet), Jimmy Knepper (trombone), Booker Ervin (tenor saxophone), John Handy (alto saxophone), Roland Hanna (piano), Dannie Richmond (drums), Maurice Brown (cello), Charles Mingus (bass), Seymour Barab (cello), Richard Williams (trumpet), Jerome Richardson (baritone saxophone), Benny Golson (tenor saxophone), Nico Bunick (piano), Honey Gordon (vocal)

Charles Mingus, Booker Ervin (tenor saxophone), Eric Dolphy (alto saxophone), Dick Hafer (tenor saxophone), Jerome Richardson (baritone saxophone), Walter Perkins (drums), Jaki Byard (piano), Don Butterfield (tuba), Britt Woodman (trombone), Eddie Preston (trumpet), Richard Williams (trumpet)